Who fit SM visual standards more as a trainee?

Obviously only two of these past SM trainees ended up debuting in an SM girl group. But at the time, which one would you say fit the SM visual standard? SM and their fans pride themselves in having a "flower garden" of visuals. Korean netizens often mention that SM typically has a visual standard as represented by their visual role members

Lami

Karina (Jimin)

Jungyeon

Xi Yiyang

Irene